Section 22: Innate Immunity Flashcards

0
Q

5 factors of innate immunity that reduce infection

A

Mucus trap airborne microbes
Fluid flow flushes out pathogens
GI tract acid kills microbes
Bodily secretions containing lysozyme degrades bacterial cell walls
Iron binding proteins prevent adequate nutrition to bacteria

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1
Q

7 Natural Barriers to Infection

A
Skin
Mucus
Fluid Flow
Ciliates Epithelial Cells
Acidity 
Urea
Interferons
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2
Q
Polymorphonuclear Leukocytes (PMNs)
Neutrophils
A

Eat and digest foreign matter

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3
Q

Basophils

A

Enhance inflammatory responses by release of histamine and related chemicals

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4
Q

Eosinophils

A

Release toxins that are important in overcoming infection by worms and other parasites that are too large for a phagocytic cell to ingest

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